Although the Omayyad were Sunnis but neither the Omayyads were against the Shiites nor the Shiites were against the Omayyads.
Between the two types of the Islamic religion it was the Sunni.
ISLAM
Islam
the Shiites.
Shiites
They supported Islam.
Sunni branch (around 85% of total Muslim population)
SunnahAhl-i-Sunnat wal jama'at. They from about 85% of the total number of Muslims.The largest branch of Islam is Sunnis that reach more than 85% of all Muslim population.
Islam [Ismaili Khoja branch of Shi'a Islam]
salafi
Sunni, by a large amount. The majority of those who convert to Islam convert to Sunni Islam as well. Sunni means 'sunnah', to follow the way of the Prophet Mohammad, peace and blessing be upon him. It is not a 'sect or branch', but a term people may use to refer to 'Islam' and following the teachings of the Prophet pbuh. Whereas Shiism is a sect, a branch off Islam.
THOSE QURAISH who accepted islam supported hima nd those who did not teased him and insulted him.